"To do this," Mark typed, "they had to become . They needed bodies that could stand tall and systems that could drink from the earth." The Evolution of the Team

Then came the pines and firs. They didn't need water to reproduce anymore; they invented seeds . These seeds were like little spaceships, carrying life across dry deserts and frozen mountains.

By the time Mark finished his report, it wasn't just a 7th-grade assignment anymore. It was a tribute to the silent, green giants that provide the oxygen we breathe and the food we eat. He hit "Save" and smiled. The next morning, when he stood up in class to give his doklad , he didn't just read facts—he told the story of how life climbed out of the sea to turn the world green.